. >>> startling images out of russia tonight where a plane broke into pieces after sliding off a runway. the jet, belonging to the russian airline red wings, veered on to a snowy field and a highway after landing it broke apart, caught fire, killing at least four crew members and injuring four others. the plane had flown back from the czech republic and was not carrying any passengers. >>> back in this country, in arizona controversial sheriff joe arpaio is making headlines again tonight with a proposal to station armed posses outside public schools. arpaio says he wants to place the volunteers at 50 schools in the phoenix area within a week, although arizona law currently prohibits carrying guns on public school grounds. the idea follows of course the school shootings in newtown, connecticut and the nra's call to station armed officers at public schools. >>> and the first step toward a potential lawsuit in connecticut after the shootings at sandy hook elementary. paperwork has been filed for a $100 million claim on behalf of one of the children who lived through the tragedy. a lawyer f